ClassID:

135333

E21B17/206 - CPC Classification

Classification description:

Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings Cables; ; Tubings; Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables with conductors, e.g. electrical, optical

Recent Application in this class:
#1
20260110225
2026-04-23

COILED TUBING INJECTOR SYSTEM INCLUDING A TROLLEY TRACK AND TROLLEY FOR SUPPORT THEREOF

#2
20250376898
2025-12-11

INSULATED COILED TUBING FOR PULSED POWER DRILLING

#3
20250277414
2025-09-04

FIBER-TO-CASING BONDING

#4
20250257616
2025-08-14

Wireline Standoff

#5
20250215756
2025-07-03

LOW-RESISTANCE ENCAPSULATION OF A TUBING ENCAPSULATED CONDUCTOR FOR POWERING EQUIPMENT IN WELLBORE OPERATIONS

#6
20250075569
2025-03-06

INSULATED COILED TUBING FOR PULSED POWER DRILLING

#7
20240368977
2024-11-07

Thermal Conductivity Measurements for Optimizing Geothermal Field Construction

#8
20240368945
2024-11-07

Electrical Drilling Systems and Methods for Geothermal Field Construction

#9
20240229585
2024-07-11

SYSTEM AND METHOD FOR NAVIGATING A DOWNHOLE ENVIRONMENT

#10
20240229574
2024-07-11

DOWNHOLE CABLE

#11
20240133258
2024-04-25

System and method for navigating a downhole environment

#12
20240133250
2024-04-25

DOWNHOLE CABLE

#13
20240093558
2024-03-21

IMPROVEMENTS RELATING TO COILED TUBING

#14
20240076944
2024-03-07

System and Method for Deploying ESP on Coiled Tubing

#15
20230407713
2023-12-21

Wireline Standoff

#16
20230407711
2023-12-21

ELECTRICALLY CONDUCTIVE FIBER OPTIC SLICKLINE FOR COILED TUBING OPERATIONS

#17
20230349284
2023-11-02

Environmental sensing wireline standoff

#18
20230243695
2023-08-03

Multi-layer fiber optic cable with a cured gelling material and methods of making and using same

#19
20230203896
2023-06-29

WIRELESS COMMUNICATIONS WITH DOWNHOLE DEVICES USING COIL HOSE

#20
20230026207
2023-01-26

Downhole fiber installation equipment and method

#21
20220364442
2022-11-17

Electric, battery-powered wireline systems

#22
20220349265
2022-11-03

Method and apparatus for transmitting an electrical signal

#23
20220341268
2022-10-27

ELECTRICALLY CONDUCTIVE FIBER OPTIC SLICKLINE FOR COILED TUBING OPERATIONS

#24
20220280991
2022-09-08

A Method of Making a Fluid Conduit

#25
20220259969
2022-08-18

Environmental sensing wireline standoff

#26
20220244418
2022-08-04

SYSTEM AND METHOD FOR LOCALIZED SEISMIC IMAGING AROUND WELLBORES

#27
20220186581
2022-06-16

Portable foam injection system

#28
20220170338
2022-06-02

CROSSOVER FOR A FLOW PATH FOR A FLUID TO A SUBSEA DEVICE

#29
20220148759
2022-05-12

Advanced insulation and jacketing for downhole power and motor lead cables

#30
20220136339
2022-05-05

Wireline standoff

#31
20220131350
2022-04-28

Cable puller and method of use

#32
20220120143
2022-04-21

Downhole MCEI inductive coupler with helical coil

#33
20220010626
2022-01-13

MINING METHOD

#34
20210381327
2021-12-09

Logging a well

#35
20210372213
2021-12-02

Downhole fiber installation equipment and method

#36
20210355820
2021-11-18

Logging encapsulated optical-fiber duct cable and manufacturing method thereof

#37
20210355761
2021-11-18

Well intervention apparatus and method

#38
20210348501
2021-11-11

Apparatus for obtaining wellbore pressure measurements

#39
20210301653
2021-09-30

System and method for deploying fiber optics lines in a wellbore

#40
20210293097
2021-09-23

Assembly for supporting cables in deployed tubing

#41
20210207749
2021-07-08

Termination of a flexible pipe

#42
20210198990
2021-07-01

Tubing for electric submersible pumps used in oil production

#43
20210189864
2021-06-24

System and methodology to identify milling events and performance using torque-thrust curves

#44
20210140248
2021-05-13

Downhole cables having extruded aluminum encapsulation layers

#45
20210017821
2021-01-21

Well pipe removal and storage device, system and method

#46
20200332645
2020-10-22

Environmental sensing wireline standoff

#47
20200301086
2020-09-24

Hybrid Cable Usable Downhole

#48
20200270951
2020-08-27

Drilling system and method of submarine drilling rig

#49
20200211735
2020-07-02

Power and communications cable for coiled tubing operations

#50
20200115964
2020-04-16

Intervention system and method for operating an intervention system

#51
20200088894
2020-03-19

Auditory monitoring of downhole conditions through a fiber optic cable

#52
20200040672
2020-02-06

METHOD AND SYSTEM FOR PIPE CONVEYED LOGGING

#53
20200036172
2020-01-30

Cable puller and method of use

#54
20190376349
2019-12-12

Flat pack having spacer between tubes

#55
20190345779
2019-11-14

COIL TUBING BOTTOM HOLE ASSEMBLY WITH REAL TIME DATA STREAM

#56
20190326735
2019-10-24

INSTALLATION OF SIGNAL CABLES THROUGH COILED TUBING USING DISSOLVABLE BULLETS

#57
20190301278
2019-10-03

Systems and methods to improve distributed acoustic sensing properties of optical fibers

#58
20190293894
2019-09-26

Excess optical fiber deployment control

#59
20190271196
2019-09-05

Spoolable splice connector and method for tubing encapsulated cable

#60
20190257194
2019-08-22

Dual telemetric coiled tubing system

#61
20190242200
2019-08-08

Cable-based heater and method of assembly

#62
20190234155
2019-08-01

Coiled tubing power cable with varying inner diameter

#63
20190226311
2019-07-25

Methods and electrically-actuated apparatus for wellbore operations

#64
20190211634
2019-07-11

Wireline standoff

#65
20190196112
2019-06-27

Optical wireless rotary joint

#66
20190186210
2019-06-20

System and method for terminating cable

#67
20190169976
2019-06-06

Environmental sensing wireline standoff

#68
20190164670
2019-05-30

Armored submersible power cable

#69
20190106955
2019-04-11

Load reduction device and method for reducing load on power cable coiled tubing

#70
20190106948
2019-04-11

Coiled tubing electrical power splice

#71
20190071939
2019-03-07

Method and system for pipe conveyed logging

#72
20190017333
2019-01-17

Surface controlled reversible coiled tubing valve assembly

#73
20180374607
2018-12-27

Power and communications cable for coiled tubing operations

#74
20180371849
2018-12-27

Apparatus and method for joining in a tube

#75
20180363391
2018-12-20

Downhole armored optical cable tension measurement

#76
20180355686
2018-12-13

Small footprint coiled tubing apparatus

#77
20180340403
2018-11-29

Apparatus, system and method for live well artificial lift completion

#78
20180320454
2018-11-08

Method and apparatus for deploying wellbore pump on coiled tubing

#79
20180313206
2018-11-01

Tracking and measurements associated with cement plugs

#80
20180266238
2018-09-20

Systems and methods for operating electrically-actuated coiled tubing tools and sensors

#81
20180258710
2018-09-13

DOWNHOLE CABLES HAVING EXTRUDED ALUMINUM ENCAPSULATION LAYERS

#82
20180252057
2018-09-06

Selective stimulation of reservoir targets

#83
20180231157
2018-08-16

COMPOSITE TO METAL JOINT AND METHOD FOR FORMING SAME

#84
20180209247
2018-07-26

METHOD AND APPARATUS FOR SUPPORTING CABLES WITHIN COIL TUBING

#85
20180202242
2018-07-19

Frictional enhancement of mating surfaces of power cable installed in coiled tubing

#86
20180163487
2018-06-14

Tubing in tubing bypass

#87
20180163478
2018-06-14

High-voltage drilling methods and systems using hybrid drillstring conveyance

#88
20180073310
2018-03-15

Electrically conductive fiber optic slickline for coiled tubing operations

#89
20180066774
2018-03-08

Composite drill pipe and method for forming same

#90
20180058157
2018-03-01

Fiber reinforced and powered coil tubing

#91
20180023352
2018-01-25

Carbon fiber based tubing encapsulated cable

#92
20180002992
2018-01-04

Wireline standoff

#93
20170365375
2017-12-21

Power cable for cable deployed electric submersible pumping system

#94
20170343138
2017-11-30

Composite drill pipe

#95
20170342782
2017-11-30

Dual-walled running string for electric devices with power transmission through running string

#96
20170328186
2017-11-16

Apparatus, system and method for live well artificial lift completion

#97
20170328156
2017-11-16

Electric submersible pump cable anchored in coiled tubing

#98
20170314341
2017-11-02

System and methods using fiber optics in coiled tubing

#99
20170268320
2017-09-21

Methods and electrically-actuated apparatus for wellbore operations

#100
20170254449
2017-09-07

Composite tube to metal joint apparatus

#101
20170227145
2017-08-10

Smart subsea pipeline

#102
20170211339
2017-07-27

Orthogonal electrical connector penetrator system for coiled tubing electrical service in a flow-through multi-bowled wellhead and method of installation and use

#103
20170183930
2017-06-29

Coiled tubing-based milling assembly

#104
20170159388
2017-06-08

Method and apparatus for retrieving a tubing from a well

#105
20170152738
2017-06-01

Sensing umbilical

#106
20170096892
2017-04-06

Optical rotary joint in coiled tubing applications

#107
20170018989
2017-01-19

SEALING METHOD FOR INSULATED CONDUCTORS IN ELECTRIC SUBMERSIBLE PUMP POTHEAD CONNECTORS

#108
20170016293
2017-01-19

Multi-run retrievable battery pack for electronic slickline tools

#109
20160363493
2016-12-15

Polymer composite wireline cables comprising optical fiber sensors

#110
20160356113
2016-12-08

Hydraulic cable injector and method for cable deployment

#111
20160348808
2016-12-01

Smart subsea pipeline

#112
20160281442
2016-09-29

Adjustable shear assembly

#113
20160273348
2016-09-22

Downhole position sensor

#114
20160258231
2016-09-08

Dual-Walled Coiled Tubing Deployed Pump

#115
20160222736
2016-08-04

Electrically conductive fiber optic slickline for coiled tubing operations

#116
20160208588
2016-07-21

Subterranean heating with dual-walled coiled tubing

#117
20160186501
2016-06-30

Systems and methods for operating electrically-actuated coiled tubing tools and sensors

#118
20160161042
2016-06-09

Smart subsea pipeline

#119
20160153250
2016-06-02

MANAGING STRAIN ON A DOWNHOLE CABLE

#120
20160123135
2016-05-05

Downhole distributed sensor arrays for measuring at least one of pressure and temperature, downhole distributed sensor arrays including at least one weld joint, and methods of forming sensors arrays for downhole use including welding

#121
20160097243
2016-04-07

Extra Low Profile Cable Protectors

#122
20160069141
2016-03-10

Downhole protection apparatus

#123
20160060961
2016-03-03

HIGH-VOLTAGE DRILLING METHODS AND SYSTEMS USING HYBRID DRILLSTRING CONVEYANCE

#124
20160054534
2016-02-25

Optical fibre installation in flexible riser

#125
20160053540
2016-02-25

Drilling apparatus

#126
20160047210
2016-02-18

Armored power cable installed in coiled tubing while forming

#127
20160033063
2016-02-04

Composite to metal end fitting joint

#128
20150354292
2015-12-10

UMBILICAL

#129
20150330193
2015-11-19

Entwined pipes

#130
20150322732
2015-11-12

Methods for injecting or retrieving tubewire when connecting two strings of coiled tubing

#131
20150300126
2015-10-22

Method and apparatus for supporting cables within coil tubing

#132
20150267487
2015-09-24

Method for assembly of well heaters

#133
20150267486
2015-09-24

Facility for assembly of well heaters

#134
20150267485
2015-09-24

Injection of heating cables with a coiled tubing injector

#135
20150267483
2015-09-24

Cable support system and method

#136
20150233211
2015-08-20

Cable-based well heater

#137
20150226021
2015-08-13

Fibre composite rod petroleum well intervention cable

#138
20150184469
2015-07-02

Carbon fiber based tubing encapsulated cable

#139
20150167411
2015-06-18

SYSTEM FOR INSTALLING TUBING ENCAPSULATED CABLE INTO COIL TUBING

#140
20150167403
2015-06-18

SYSTEM FOR COATING TUBING ENCAPSULATED CABLE FOR INSERTION INTO COIL TUBING

#141
20150158692
2015-06-11

Cable drum transportation and handling apparatus

#142
20150136427
2015-05-21

Tubewire injection buckling mitigation

#143
20150096752
2015-04-09

System and method for performing a perforation operation

#144
20150075810
2015-03-19

Wireline standoff

#145
20150075786
2015-03-19

Oilfield optical data transmission assembly joint

#146
20150075783
2015-03-19

METHODS AND ELECTRICALLY-ACTUATED APPARATUS FOR WELLBORE OPERATIONS

#147
20150041117
2015-02-12

Low profile magnetic orienting protectors

#148
20150030480
2015-01-29

Delta-shaped power cable within coiled tubing

#149
20150030295
2015-01-29

Armor element for a flexible line intended to be placed in an expanse of water, and associated flexible line, method and process

#150
20150021905
2015-01-22

Method of making a composite tube to metal joint

#151
20150000957
2015-01-01

Application and maintenance of tension to transmission line in pipe

#152
20140363117
2014-12-11

Fiber optic sensing system with hydrogen flush

#153
20140352952
2014-12-04

Methods of using enhanced wellbore electrical cables

#154
20140345742
2014-11-27

Coiled tubing with heat resistant conduit

#155
20140326510
2014-11-06

Wireline drilling system

#156
20140326466
2014-11-06

Systems and methods for providing fiber optics in downhole equipment

#157
20140251638
2014-09-11

Tubular apparatus for making rigid tubular structures, and corresponding installation method

#158
20140231066
2014-08-21

Coiled tubing system with multiple integral pressure sensors and DTS

#159
20140230233
2014-08-21

Method for installing multiple sensors in unrolled coiled tubing

#160
20140230232
2014-08-21

Method for installing multiple fiber optic cables in coiled tubing

#161
20140217722
2014-08-07

Composite pipe to metal joint

#162
20140158380
2014-06-12

Pump deployment via cable

#163
20140151030
2014-06-05

Method of Inserting a Fiber Optic Cable into Coiled Tubing

#164
20130277042
2013-10-24

Deep deployment system for electric submersible pumps

#165
20130180729
2013-07-18

RF applicator having a bendable tubular dielectric coupler and related methods

#166
20130118746
2013-05-16

Composite Cable Systems For Use In An In Situ Oil Production Process

#167
20130098685
2013-04-25

Detecting and mitigating borehole diameter enlargement

#168
20130025878
2013-01-31

Surface controlled reversible coiled tubing valve assembly

#169
20120280492
2012-11-08

Composite drill pipe and method for forming same

#170
20120241147
2012-09-27

REELABLE SUPPORT

#171
20120213525
2012-08-23

Oilfield optical data transmission assembly joint

#172
20120211231
2012-08-23

Segmented fiber optic coiled tubing assembly

#173
20120155813
2012-06-21

Composite spoolable tube

#174
20120098257
2012-04-26

Composite drill pipe and method for forming same

#175
20120043134
2012-02-23

METHOD AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE PASS DRILLING AND COMPLETION OF OIL AND GAS WELLS

#176
20120018145
2012-01-26

Wireline standoff

#177
20120018142
2012-01-26

Coil tubing cable head with tool release, fluid circulation and cable protection features

#178
20120012301
2012-01-19

Electrical wiring for drill pipe, casing, and tubing

#179
20120006444
2012-01-12

Coiled umbilical tubing

#180
20110299933
2011-12-08

Method to stop wellbore fluid leakage from a spoolable wellbore intervention rod

#181
20110289994
2011-12-01

SYSTEM AND METHOD FOR STRAIGHTENING TUBING

#182
20110272148
2011-11-10

Methods, systems and apparatus for coiled tubing testing

#183
20110259580
2011-10-27

Cables for downhole use

#184
20110253408
2011-10-20

Method and System for a Down-hole Cable having a Liquid Bonding Material

#185
20110232921
2011-09-29

Spoolable downhole control system and method

#186
20110146972
2011-06-23

ELECTRICAL CONTACT CONNECTIONS FOR WELLBORE TOOLS

#187
20110079439
2011-04-07

METHOD AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE PASS DRILLING AND COMPLETION OF OIL AND GAS WELLS

#188
20110036568
2011-02-17

Method and apparatus for logging a well below a submersible pump deployed on coiled tubing

#189
20110024103
2011-02-03

METHOD AND APPARATUS FOR PROVIDING A CONDUCTOR IN A TUBULAR

#190
20100247345
2010-09-30

Production tubing member with auxiliary conduit

#191
20100236777
2010-09-23

Power systems for wireline well service using wired pipe string

#192
20100218951
2010-09-02

Cementing with electric line coiled tubing

#193
20100212769
2010-08-26

Composite spoolable tube

#194
20100175888
2010-07-15

Downhole Device Actuator and Method

#195
20100155059
2010-06-24

Fiber optic slickline and tools

#196
20100142903
2010-06-10

Fiber optic cable systems and methods to prevent hydrogen ingress

#197
20100116509
2010-05-13

System and method for aligning a component of a borehole assembly

#198
20100096144
2010-04-22

Spring loaded anchor system for electro-coil tubing deployed ESP's

#199
20100096124
2010-04-22

Systems and methods for injecting or retrieving tubewire into or out of coiled tubing

#200
20100089571
2010-04-15

Coiled tubing gamma ray detector

#201
20100084132
2010-04-08

Optical coiled tubing log assembly

#202
20100071188
2010-03-25

Wired drill pipe having conductive end connections

#203
20100038097
2010-02-18

COILED TUBING SYSTEM AND METHOD

#204
20100018703
2010-01-28

System and methods using fiber optics in coiled tubing

#205
20100012320
2010-01-21

METHODS AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE PASS DRILLING AND COMPLETION OF OIL AND GAS WELLS

#206
20090266537
2009-10-29

COMBINATION INJECTION STRING AND DISTRIBUTED SENSING STRING FOR WELL EVALUATION AND TREATMENT CONTROL

#207
20090266535
2009-10-29

Flexible coupling for well logging instruments

#208
20090260834
2009-10-22

Intervention rod

#209
20090194338
2009-08-06

METHOD AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE PASS DRILLING AND COMPLETION OF OIL AND GAS WELLS

#210
20090194296
2009-08-06

Extended length cable assembly for a hydrocarbon well application

#211
20090145610
2009-06-11

Methods of using enhanced wellbore electrical cables

#212
20090101328
2009-04-23

COMPOSITE DRILL PIPE AND METHOD OF FORMING SAME

#213
20090090513
2009-04-09

System and Method for Conveying a Wired Coiled Assembly

#214
20080308280
2008-12-18

Coiled tubing and power cables

#215
20080267802
2008-10-30

Fluid-guiding and electric conducting system for suspended electric submersible progressing cavity pump (PCP)

#216
20080264630
2008-10-30

Method and Apparatus Suitable For Hole Cleaning During Operations

#217
20080263848
2008-10-30

Coiled tubing with retainer for conduit

#218
20080247718
2008-10-09

Fiber optic cable systems and methods to prevent hydrogen ingress

#219
20080245536
2008-10-09

Apparatus and method for delivering a conductor downhole

#220
20080142244
2008-06-19

Cables

#221
20080142212
2008-06-19

System and method for sensing a parameter in a wellbore

#222
20080124035
2008-05-29

Cables

#223
20080041631
2008-02-21

METHOD AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE PASS DRILLING AND COMPLETION OF OIL AND GAS WELLS

#224
20070181345
2007-08-09

Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells

#225
20070151735
2007-07-05

Concentric coiled tubing annular fracturing string

#226
20070144784
2007-06-28

Method for drilling and lining a wellbore

#227
20070125163
2007-06-07

Method for monitoring fluid properties

#228
20070044960
2007-03-01

Methods, systems and apparatus for coiled tubing testing

#229
20060288769
2006-12-28

High temperature near infrared for measurements and telemetry in well boreholes

#230
20060201711
2006-09-14

Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells

#231
20060185906
2006-08-24

Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells

#232
20060137880
2006-06-29

Subsea umbilical

#233
20060124352
2006-06-15

Control systems and methods for active controlled bottomhole pressure systems

#234
20050284664
2005-12-29

Dual wall drill string assembly

#235
20050279511
2005-12-22

Method and apparatus for deploying a line in coiled tubing

#236
20050263281
2005-12-01

System and methods using fiber optics in coiled tubing

#237
20050236161
2005-10-27

Optical fiber equipped tubing and methods of making and using

#238
20050173109
2005-08-11

Profiled recess for instrumented expandable components

#239
20050121094
2005-06-09

Composite spoolable tube

#240
20050115741
2005-06-02

Well system

#241
20050103527
2005-05-19

Dual wall drill string assembly

#242
20050098350
2005-05-12

Three dimensional steering system and method for steering bit to drill borehole

#243
20050098349
2005-05-12

Control systems and methods for active controlled bottomhole pressure systems

#244
20050065759
2005-03-24

Lumping and delumping method for describing hydrocarbon-containing fluids

#245
20050047872
2005-03-03

Deepwell reel

#246
20050045343
2005-03-03

A Conduit Having a Cable Therein

#247
15295364
2019-09-03

Drill coil and method of coiled tube drilling